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Regulatory Requirements Premerger Notifications State Attorneys General

Sheppard Mullin Richter & Hampton LLP

State Antitrust Enforcement Roundup: Updates to Healthcare Merger Matrix; New Potential Legislation Targeting Private Equity and...

State oversight of healthcare transactions is continuing to undergo a significant transformation. As tracked in our updated Healthcare Merger Matrix, the number of states implementing or considering expanding antitrust laws...more

Skadden, Arps, Slate, Meagher & Flom LLP

Pre-Merger Notification Proliferation

What is new: Some U.S. states have enacted pre-merger notification regimes of general applicability, requiring parties making HSR filings to also notify state attorneys general, with similar legislation pending in other...more

Miles & Stockbridge P.C.

Colorado Becomes Second State to Enact Uniform Antitrust Premerger Notification Act

On Aug. 6, Colorado became the second state to enact the Uniform Antitrust Premerger Notification Act (APNA), following Washington earlier this year. ...more

Clark Hill PLC

Colorado and Washington’s new UAPNA reporting requirements: What M&A dealmakers need to know about these groundbreaking laws

Clark Hill PLC on

Colorado and Washington have enacted groundbreaking laws modeled after the Uniform Law Commission’s Uniform Antitrust Pre-Merger Notification Act (UAPNA), requiring parties to certain Hart-Scott-Rodino Act (HSR) reportable...more

Cozen O'Connor

The State AG Report – 07.31.2025

Cozen O'Connor on

Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: • PetSmart in the Doghouse as Colorado Sues over Grooming...more

Cozen O'Connor

Washington Becomes First State to Require Premerger Notification Filing

Cozen O'Connor on

Washington AG Nick Brown announced that Washington is the first state to require companies to file a premerger notification with the state AG’s office concurrently with the federal filing required under the Hart-Scott-Rodino...more

Cozen O'Connor

Washington and Colorado Enact Uniform Premerger Notification Laws: What Businesses Need to Know About The New Era in State AG...

Cozen O'Connor on

As of July 27, Washington State is now the first state to enact a uniform antitrust premerger notification law, and as of August 6, 2025, Colorado will be the second. Both new notification laws are similar, as they are...more

Snell & Wilmer

Washington and Colorado Enact Groundbreaking State-Level Merger Notification Requirements, With Other States Likely To Follow

Snell & Wilmer on

Washington was the first state to adopt the Uniform Antitrust Pre-Merger Notification Act. Signed into law in April 2025 and effective as of July 27, 2025, the Washington law establishes new premerger filing requirements for...more

BakerHostetler

State-Level Merger Scrutiny Grows: Washington, Colorado Lead Expansion of State Premerger Notification Laws

BakerHostetler on

Earlier this year, Washington state enacted a version of the nascent Uniform Antitrust Pre-Merger Notification Act (the Uniform Act), which is slated to take effect on July 27....more

Ballard Spahr LLP

Washington State Merger Notification Requirements Start This Month

Ballard Spahr LLP on

Are you contemplating a merger or acquisition with a connection to Washington State? Effective July 27, 2025, any transaction requiring pre-notification under the federal Hart-Scott-Rodino Antitrust Improvements Act of 1976...more

K&L Gates LLP

Colorado Enacts Uniform Antitrust Pre-Merger Notification Law

K&L Gates LLP on

On 4 June 2025, Colorado became the second state—following the state of Washington—to enact a broad, state-level, industry-agnostic premerger notification regime. Under Colorado’s new law, any party that submits a filing...more

Bass, Berry & Sims PLC

Colorado Enacts "Mini-HSR" Law, Joining Growing State-Level Premerger Filing Trend

On June 4, Colorado became the second state to adopt the Uniform Antitrust Premerger Notification Act (Act) when Governor Jared Polis signed SB25-126 into law. Like Washington’s version of the Act, Colorado’s new law imposes...more

Axinn, Veltrop & Harkrider LLP

State by State, Pre-Merger Notifications Expand

In the wake of the recent major revisions to the federal merger review form, states are also getting into the act, creating broad new transaction notification requirements. Such notification requirements are not completely...more

Bass, Berry & Sims PLC

Washington Enacts “Mini-HSR” Law, Expanding State-Level Premerger Filing Requirements

Bass, Berry & Sims PLC on

On April 4, Washington became the first state to adopt the Uniform Premerger Notification Act (Act) when Washington Governor Jay Inslee signed the bill into law. The new statute imposes state-level premerger filing...more

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